Knowledge base for software setup, errors, and daily tool work.

Avoiding SQLite Locking Errors with WAL Journal Mode

If your application frequently hits database is locked errors when multiple processe...

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Fix Windows Activation Port Already Allocated Error

When you try to activate Windows and see an error like "port already allocated" or "address alrea...

Fix Microsoft Store Authentication Failed Error

When you see an authentication failed error in the Microsoft Store, it usually means the store ca...

Fix kubectl apply Forbidden on GKE

OneDrive Sync Permission Issues: Troubleshooting Checklist

OneDrive stops syncing, shows errors like "You don't have permission to sync this folder," or cer...